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Change subject: ich_descriptors: Normalize chipset detection
......................................................................
Patch Set 1:
(1 comment)
Patchset:
PS1:
> We use the PCI ID too (the chipset type is given in chipset_enable.c). However, […]
Plus, the standalone ich_descriptors_tool has no way to know the PCI ID.
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Change subject: ich_descriptors: Normalize chipset detection
......................................................................
Patch Set 1:
(1 comment)
Patchset:
PS1:
> Side question: if we have a detection based on LPC/eSPI PCI device, shouldn't it bind to a specific […]
We use the PCI ID too (the chipset type is given in chipset_enable.c). However,
that only works for internal flashing and not the --ifd option in general.
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Change subject: ich_descriptors.c: Fix PCH detection for Tiger Lake
......................................................................
Patch Set 1:
(1 comment)
File ich_descriptors.c:
https://review.coreboot.org/c/flashrom/+/55577/comment/5015de18_ffbc244e
PS1, Line 955: CHIPSET_300_SERIES_CANNON_POINT
> I also have a suggestion: we could reuse the coreboot's ifdtool detection function guess_ifd_2_chips […]
It's certainly possible if you want to pursue this. However, ifdtool
was often unreliable in the past. And that function is using strap
settings and not structural fields like we are used to. I'm not sure
how well that works and it would need some more restructuring of
the code here to access strap information.
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Change subject: ich_descriptors: Normalize chipset detection
......................................................................
Patch Set 1:
(1 comment)
Patchset:
PS1:
Side question: if we have a detection based on LPC/eSPI PCI device, shouldn't it bind to a specific PCH series? Is there any particular reason we do not bind the PCH series to the PCI ID? Worst case I can think of: the PCH detected by parsing the descriptor does not match the actual PCH.
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Change subject: [RFC] ich_descriptors: Don't base chipset detection on `freq_read`
......................................................................
Patch Set 2: Code-Review+1
(1 comment)
Patchset:
PS2:
I agree, using freq_read is more error prone. Simply warning the user should be enough.
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